Just because people have guns doesn't mean anything. Sure he seems creepy, but you shouldn't take the fact that he's "packing a glock" into account.
Cocking a loaded Glock on camera is rather short of "normal" I feel.
Also, if you watch more of his videos, you'll realise this is not a one-time thing.
He's been seen with different weapons on camera. Guns as props have turned somewhat into an obsession. And as luck would have it, having an obsession with guns is not healthy, especially in a country that legalises the owning of firearms.
Say what you will, I stand firmly in what I believe